DeleteGlobal (System subroutine): Difference between revisions
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{{Template:System:DeleteGlobal subtitle}} | {{Template:System:DeleteGlobal subtitle}} | ||
The <var>DeleteGlobal</var> shared subroutine deletes a subsystem global. | |||
==Syntax== | ==Syntax== | ||
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===Syntax terms=== | ===Syntax terms=== | ||
<table class="syntaxTable"> | <table class="syntaxTable"> | ||
<tr><th>(System)</th> | <tr><th>%(System)</th> | ||
<td>The class name in parentheses denotes a shared method. DeleteGlobal can also be invoked via a System object variable, which may be null.</td></tr> | <td>The class name in parentheses denotes a shared method. <var>DeleteGlobal</var> can also be invoked via a <var>[[System_class|System]]</var> object variable, which may be null.</td></tr> | ||
<tr><th>string</th> | <tr><th>string</th> | ||
<td> | <td>A string that identifies the global to be deleted.</td></tr> | ||
</table> | </table> | ||
==Usage notes== | ==Usage notes== | ||
<ul><li>All errors result in request cancellation. | |||
<li>It is not an error to delete a global that is not set. | |||
<li>The Subsystem class <var>DeleteGlobal</var> deletes the global referenced by name for the current subsystem context. You can identify the current context by calling the <var>[[Context_(Subsystem_property)|Context]]</var> property. | |||
</ul> | |||
==Examples== | ==Examples== | ||
<ol><li>The following statement deletes the system global called SANGUINIC: | |||
<p class="code">%(system):deleteGlobal('SANGUINIC') | |||
</p></ol> | |||
==See also== | ==See also== | ||
{{Template:System:DeleteGlobal footer}} | {{Template:System:DeleteGlobal footer}} | ||
Revision as of 10:38, 19 March 2011
Delete a system-wide global (System class)
The DeleteGlobal shared subroutine deletes a subsystem global.
Syntax
%(System):DeleteGlobal( string)
Syntax terms
| %(System) | The class name in parentheses denotes a shared method. DeleteGlobal can also be invoked via a System object variable, which may be null. |
|---|---|
| string | A string that identifies the global to be deleted. |
Usage notes
- All errors result in request cancellation.
- It is not an error to delete a global that is not set.
- The Subsystem class DeleteGlobal deletes the global referenced by name for the current subsystem context. You can identify the current context by calling the Context property.
Examples
- The following statement deletes the system global called SANGUINIC:
%(system):deleteGlobal('SANGUINIC')